From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Parts list for 1st, 2nd, and 3rd motion shaft assemblies.
| Identifier | ExFiles\Box 136\2\ scan0034 | |
| Date | 1st February 1939 guessed | |
| 6050 - 2nd Motion Shaft GW789 Rear Bearing 1 off LS12. 1 1/4 x 2 3/4 x 11/16 Centre Bearing 1- [crossed out] R320F. 20x52x15 Front Bearing 1- 6040. 1st & 3rd Motion Shaft MS12. 1 1/4 x 3 1/8 x 7/8 Transmission Shaft 1 off GW788. 1st Motion Shaft 1- GW789. 3rd Motion Shaft - Rear 1- GW1881. Centre Bearing 1- | ||